package com.zk.nakedfowl.powerManager.interceptor;

import com.zk.nakedfowl.common.util.JwtUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * @Auther: zhy
 * @Date: 2019/7/11
 * @Description: 拦截请求，解析请求头中的token进行解析，将令牌存储在Request
 */
//@Component
public class JwtIntercepter implements HandlerInterceptor {

    @Autowired
    private JwtUtil jwtUtil;

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        System.out.println("--拦截器--");

        String authorization = request.getHeader("Authorization");
        if (authorization != null && !"".equals(authorization)) {
            //如果包含Authorization认证信息，则进行解析
            if (authorization.startsWith("Bearer ")) {
                //得到token
                String token = authorization.substring(7);
//                //验证令牌???验证什么
//                try {
//                    Claims claims = jwtUtil.parseJWT(token);
//                    String roles = (String) claims.get("roles");
//                    //如果是admin用户
//                    if (roles != null && !"".equals("admin")) {
//                        request.setAttribute("claims_admin",token);
//                    }
//                    //如果是普通用户
//                    if (roles != null && !"".equals("user")) {
//                        request.setAttribute("claims_user",token);
//                    }
//                } catch (Exception e) {
//                    throw new RuntimeException();
//                }

                //不为空就放行
                if (token!=null)
                    return true;

            }
        }


        //???不放行
        return false;
    }
}
